Meizu Pro 7 vs Micromax Bolt D321

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Screen diagonal

    Bolt D321: 0.2 in smaller diagonal

    Pro 7:
    5.2 in
    Bolt D321:
    5 in
  • Chipset

    Pro 7:
    Mediatek MT6757T Helio P25 (16 nm) standard edition -Mediatek MT6799 Helio X30 (10 nm) high edition
    Bolt D321:
    Mediatek MT6572 (28 nm)
  • Release year

    Pro 7:
    2017
    Bolt D321:
    2015

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Pro 7

    Height:
    147.6 mm
    Width:
    70.7 mm
    Depth:
    7.3 mm
    Weight:
    163 g
  2. 2. Bolt D321

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Pro 7

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Bolt D321

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Pro 7 has approximately 8.2% more rectangular screen area than Bolt D321.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Pro 7: Original memory entry

64/128 GB · 512GB 4GB

Bolt D321: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Pro 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. Bolt D321

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Pro 7

    3000 mAh

    +1200 mAh versus Bolt D321

  2. 2. Bolt D321

    1800 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Pro 72. Bolt D321

Everyday essentials
Everyday essentials — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Dimensions (HxWxD)
  • 147.6 Х 70.7 Х 7.3 mm
  • Х Х mm
Weight
  • 163 g
  • 0 g
Technology
  • Super AMOLED
Unknown
Screen size
  • 5.2" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat); Flyme 6
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6757T Helio P25 (16 nm) standard edition -Mediatek MT6799 Helio X30 (10 nm) high edition
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.8%
Unknown
PPI /points per inch/
  • 423 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Rear camera, main
  • 12 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/2.0
  • 1/2.9''
  • 1.25µm
  • PDAF
  • 5 MP
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Processor CPU
  • Octa-core (4x2.4 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53) -Deca-core (2x2.6 GHz Cortex-A73
  • 4x1.9 GHz Cortex-A35
  • 4x2.2 GHz Cortex-A53)
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T880MP2 -PowerVR 7XTP
  • Mali-400
Antutu 7 score *
  • 67452
Unknown
GeekBench 4 Single Core *
  • 1767
Unknown
GeekBench 4 Multi-Core *
  • 5764
Unknown
GeekBench 4 RenderScript *
  • 4805
Unknown
GeekBench 5 Single Core *
  • 299
Unknown
GeekBench 5 Multi-Core *
  • 1172
Unknown
General specs
General specs — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Release date
  • 2017
  • July
  • 2015
  • February
Colors
  • Black
  • Gold
  • Red
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 300 h (3G) Talking time- Up to 7 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE-A
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n or a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.51 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Radio
  • No
  • FM radio
Others
  • Secondary 2'' AMOLED display
  • 240 x 536 pixels
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Pro 7, Bolt D321.
SpecificationPro 7Bolt D321
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (mCharge 3.0)
  • Sensors Accelerometer
  • proximity